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某些野生豆科植物共生根瘤菌的分类研究 被引量:2

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摘要 对来自吉林、内蒙古、山西、陕西、宁夏、甘肃和四川七省区的主要以野豌豆、野苜蓿、草木、胡枝子等野生豆科植物为寄主的60株根瘤菌进行了126个性状的数值分析聚类。在86%的表现相似性水平上,除23株菌外,其余菌株聚成5个类群。在此基础上做了各类群中心菌株与R.leguminosarum和S.meliloti两模式菌株的DNA分子杂交,结果与数值分析聚类相符。可初步确定群Ⅰ、Ⅳ归人R.leguminosarum中,群Ⅱ、Ⅲ归人S。meliloti中。群V的5个菌株"3-酮基乳糖产生"阳性,中心菌株与两模式菌株DNA分子同源性低于种水平(70%)。
出处 《土壤》 CAS CSCD 北大核心 1997年第6期287-291,295,共6页 Soils
基金 国家自然科学基金!39130010
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参考文献1

  • 1陈文新,骆传好.根瘤菌数值分类方法探讨[J]微生物学通报,1986(03).

同被引文献56

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